Iron in PDB 3iw1: Crystal Structure of Mycobacterium Tuberculosis Cytochrome P450 CYP125 in Complex with Androstenedione

The structure of Crystal Structure of Mycobacterium Tuberculosis Cytochrome P450 CYP125 in Complex with Androstenedione, PDB code: 3iw1 was solved by K.J.Mclean, C.Levy, A.W.Munro, D.Leys, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.75 / 2.00
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	59.826, 85.741, 89.489, 90.00, 90.00, 90.00
R / Rfree (%)	16.1 / 21.5

The binding sites of Iron atom in the Crystal Structure of Mycobacterium Tuberculosis Cytochrome P450 CYP125 in Complex with Androstenedione (pdb code 3iw1). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total only one binding site of Iron was determined in the Crystal Structure of Mycobacterium Tuberculosis Cytochrome P450 CYP125 in Complex with Androstenedione, PDB code: 3iw1:

Iron binding site 1 out of 1 in the Crystal Structure of Mycobacterium Tuberculosis Cytochrome P450 CYP125 in Complex with Androstenedione


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Crystal Structure of Mycobacterium Tuberculosis Cytochrome P450 CYP125 in Complex with Androstenedione within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe434 b:15.3 occ:1.00 FE A:HEM434 0.0 15.3 1.0 ND A:HEM434 2.1 12.6 1.0 NA A:HEM434 2.1 11.9 1.0 NB A:HEM434 2.1 10.5 1.0 NC A:HEM434 2.1 9.6 1.0 SG A:CYS377 2.3 11.5 1.0 O A:HOH601 2.6 33.2 1.0 C4B A:HEM434 3.0 10.3 1.0 C4D A:HEM434 3.1 13.4 1.0 C1C A:HEM434 3.1 11.5 1.0 C1A A:HEM434 3.1 13.9 1.0 C1D A:HEM434 3.1 13.2 1.0 C1B A:HEM434 3.1 10.1 1.0 C4C A:HEM434 3.1 12.9 1.0 C4A A:HEM434 3.1 11.8 1.0 CB A:CYS377 3.3 11.0 1.0 CHC A:HEM434 3.4 10.2 1.0 CHA A:HEM434 3.4 12.5 1.0 CHD A:HEM434 3.5 11.8 1.0 CHB A:HEM434 3.5 12.1 1.0 O A:ALA268 3.9 14.3 1.0 CA A:CYS377 4.1 11.5 1.0 C3B A:HEM434 4.3 11.5 1.0 C2B A:HEM434 4.3 11.9 1.0 C2A A:HEM434 4.3 15.2 1.0 C3A A:HEM434 4.3 11.9 1.0 C3D A:HEM434 4.3 11.8 1.0 C2C A:HEM434 4.3 9.9 1.0 C3C A:HEM434 4.3 10.5 1.0 C2D A:HEM434 4.3 13.1 1.0 CB A:ALA268 4.6 16.7 1.0 C A:ALA268 4.6 15.2 1.0 C A:CYS377 4.7 12.1 1.0 N A:GLY379 4.8 14.4 1.0 N A:ILE378 4.9 12.7 1.0

K.J.Mclean, P.Lafite, C.Levy, M.R.Cheesman, N.Mast, I.A.Pikuleva, D.Leys, A.W.Munro. The Structure of Mycobacterium Tuberculosis CYP125: Molecular Basis For Cholesterol Binding in A P450 Needed For Host Infection. J.Biol.Chem. V. 284 35524 2009.
ISSN: ISSN 0021-9258
PubMed: 19846552
DOI: 10.1074/JBC.M109.032706